Home / 1,786,677-2,465,614.26-981,861

Finding the Fourth Proportional to 1,786,677, 2,465,614.26 and 981,861

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Solution

The fourth proportional to 1,786,677, 2,465,614.26 and 981,861 is: 1,354,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,677 : 2,465,614.26 = 981,861 : x
  2. Step 2: Convert to fraction form
    1,786,677/2,465,614.26 = 981,861/x
  3. Step 3: Cross multiply
    1,786,677x = 2,465,614.26 × 981,861
  4. Step 4: Simplify right side
    1,786,677x = 2,420,890,482,937.86
  5. Step 5: Solve for x
    x = 2,420,890,482,937.86/1,786,677
  6. Step 6: Final answer
    x = 1,354,968.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.